Read data from Excel files

Question

I\'m having some trouble reading from an Excel spreadsheet in C#. I have this code which I read every cell from A to X.

System.Array myvalues; string[] str         


        

Answer 1

string testList = "";
            String str1 = "";
            string logPath = @"E:\LogForConsoleApp.txt";
            string filePath = @"E:\SaveSheetName.txt";
            string Path = @"C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\IDE\MSTest";
            List ltSheetName = new List();
            List ltMethodName = new List();
            Process myProcess = new Process();
            Excel.Application appExl = new Excel.Application();
            Excel.Workbook workbook = null;
            Excel.Worksheet NwSheet;
            Excel.Range ShtRange;
            appExl = new Excel.Application();
            workbook = appExl.Workbooks.Open("E:\\inputSheet3", Missing.Value, ReadOnly: false);
            NwSheet = (Excel.Worksheet)workbook.Sheets.get_Item(1);
            ShtRange = NwSheet.UsedRange; //gives the used cells in sheet
            int rCnt = 0;
            int cCnt = 0;

            for (rCnt = 1; rCnt <= ShtRange.Rows.Count; rCnt++)
            {
                for (cCnt = 1; cCnt <= ShtRange.Columns.Count; cCnt++)
                {
                    if (Convert.ToString(NwSheet.Cells[rCnt, cCnt].Value2) == "Y")
                    {
                        ltSheetName.Add(NwSheet.Cells[rCnt, cCnt - 1].Value2);
                        //ltMethodName.Add(" /test:" + NwSheet.Cells[rCnt, cCnt - 1].Value2);
                    }
                }
            }
            workbook.Close(false, Missing.Value, Missing.Value);
            appExl.Quit();

            for (int sht = 0; sht < ltSheetName.Count; sht++)
            {
                ltMethodName.Clear();
                appExl = new Excel.Application();
                workbook = appExl.Workbooks.Open(ltSheetName[sht].ToString(), Missing.Value, ReadOnly: false);
                NwSheet = (Excel.Worksheet)workbook.Sheets.get_Item(1);
                ShtRange = NwSheet.UsedRange; //gives the used cells in sheet
                int rCnt1 = 0;
                int cCnt1 = 0;

                for (rCnt1 = 1; rCnt1 <= ShtRange.Rows.Count; rCnt1++)
                {
                    for (cCnt1 = 1; cCnt1 <= ShtRange.Columns.Count; cCnt1++)
                    {
                        if (Convert.ToString(NwSheet.Cells[rCnt1, cCnt1].Value2) == "Y")
                        {
                            ltMethodName.Add(" /test:" + NwSheet.Cells[rCnt, cCnt - 1].Value2);
                        }
                    }
                }
                workbook.Close(false, Missing.Value, Missing.Value);
                appExl.Quit();


                for (int i = 0; i < ltMethodName.Count; i++)
                {
                    str1 = ltMethodName[i].ToString();
                    testList += str1;
                }

                string foldername = "TestResult_" + DateTime.Today.ToString().Remove(DateTime.Today.ToString().LastIndexOf("/") + 5);
                foldername = foldername.Replace("/", "");

                string direc = @"E:\" + foldername;
                string fileName = ltSheetName[sht].ToString().Substring(ltSheetName[sht].ToString().LastIndexOf("\\") + 1) + "_InderdeepAutRes.trx";
                if (!Directory.Exists(direc))
                    Directory.CreateDirectory(direc);
                string testcase = "";

                if (!File.Exists(direc + "\\" + fileName))
                    testcase = " /testcontainer:" + "E:\\Practice\\TestingSample\\TestingSample\\bin\\Debug\\TestingSample.dll" + testList + " /resultsfile:" + direc + "\\" + fileName;
                else
                {
                    Directory.Delete(direc, true);
                    Directory.CreateDirectory(direc);
                    testcase = " /testcontainer:" + "E:\\Practice\\TestingSample\\TestingSample\\bin\\Debug\\TestingSample.dll" + testList + " /resultsfile:" + direc + "\\" + fileName;
                }

                ProcessStartInfo myProcessStartInfo = new ProcessStartInfo(Path, testcase);

                try
                {
                    TextWriter tw = new StreamWriter(filePath, false);
                    tw.WriteLine(ltSheetName[sht].ToString());
                    tw.Close();
                    myProcess.StartInfo = myProcessStartInfo;
                    myProcessStartInfo.UseShellExecute = false;
                    myProcessStartInfo.RedirectStandardOutput = true;
                    myProcess.Start();
                    string output = myProcess.StandardOutput.ReadToEnd();
                    //myProcess.WaitForExit();
                    Console.WriteLine(output);

                }
                catch (Exception ex)
                {
                    TextWriter tw = new StreamWriter(logPath, true);
                    tw.WriteLine(ex.StackTrace);
                    tw.Close();
                }
            }